package com.java.service.impl;

import com.java.entity.Goodsinfo;
import com.java.dao.GoodsinfoDao;
import com.java.service.GoodsinfoService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;

/**
 * (Goodsinfo)表服务实现类
 *
 * @author makejava
 * @since 2021-01-20 18:54:56
 */
@Service("goodsinfoService")
public class GoodsinfoServiceImpl implements GoodsinfoService {
    @Resource
    private GoodsinfoDao goodsinfoDao;

    /**
     * 通过ID查询单条数据
     *
     * @param gId 主键
     * @return 实例对象
     */
    @Override
    public Goodsinfo queryById(Integer gId) {
        return this.goodsinfoDao.queryById(gId);
    }

    /**
     * 查询多条数据
     *
     * @param offset 查询起始位置
     * @param limit 查询条数
     * @return 对象列表
     */
    @Override
    public List<Goodsinfo> queryAllByLimit(int offset, int limit) {
        return this.goodsinfoDao.queryAllByLimit(offset, limit);
    }

    /**
     * 新增数据
     *
     * @param goodsinfo 实例对象
     * @return 实例对象
     */
    @Override
    public Goodsinfo insert(Goodsinfo goodsinfo) {
        this.goodsinfoDao.insert(goodsinfo);
        return goodsinfo;
    }

    /**
     * 修改数据
     *
     * @param goodsinfo 实例对象
     * @return 实例对象
     */
    @Override
    public Goodsinfo update(Goodsinfo goodsinfo) {
        this.goodsinfoDao.update(goodsinfo);
        return this.queryById(goodsinfo.getGId());
    }

    /**
     * 通过主键删除数据
     *
     * @param gId 主键
     * @return 是否成功
     */
    @Override
    public boolean deleteById(Integer gId) {
        return this.goodsinfoDao.deleteById(gId) > 0;
    }
}